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Fix parallel LTO issues on Windows

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This adds -save-temps to the linker flags when parallel LTO is used on
MinGW/MSYS.

fixes #2977

closes https://github.com/official-stockfish/Stockfish/pull/2978

No functional change.
This commit is contained in:
Guy Vreuls 2020-08-11 04:38:38 +02:00 • committed by Joost VandeVondele
parent a72cec1ff8
commit 4ab8b0b738
1 changed files with 6 additions and 1 deletions
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7
src/Makefile
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@ -472,6 +472,11 @@ ifeq ($(debug), no)
ifeq ($(gccisclang),) ifeq ($(gccisclang),)
CXXFLAGS += -flto CXXFLAGS += -flto
LDFLAGS += $(CXXFLAGS) -flto=jobserver LDFLAGS += $(CXXFLAGS) -flto=jobserver
ifneq ($(findstring MINGW,$(KERNEL)),)
LDFLAGS += -save-temps
else ifneq ($(findstring MSYS,$(KERNEL)),)
LDFLAGS += -save-temps
endif
else else
CXXFLAGS += -flto=thin CXXFLAGS += -flto=thin
LDFLAGS += $(CXXFLAGS) LDFLAGS += $(CXXFLAGS)
@ -605,7 +610,7 @@ objclean:
# clean auxiliary profiling files # clean auxiliary profiling files
profileclean: profileclean:
@rm -rf profdir @rm -rf profdir
@rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda @rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s
@rm -f stockfish.profdata *.profraw @rm -f stockfish.profdata *.profraw
default: default: